CN103680984B - A kind of 350V electrolysis condenser and production technology thereof - Google Patents
A kind of 350V electrolysis condenser and production technology thereof Download PDFInfo
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Abstract
The invention discloses a kind of 350V electrolysis condenser and production technology thereof, including shell, fuse, sealing-plug, negative wire and positive wire；Fuse includes Cathode Foil and anode foils, and fuse also includes insulation electrolytic paper；Electrolyte it is added with in insulation electrolytic paper；The composition of described electrolyte includes: ethylene glycol 40% 70%, benzyl alcohol 10% 40%, γ hydroxybutyric acid lactone 10% 40%, branched chain polybasic carboxylic acid ammonium salt 1% 10%, Azelaic Acid EG liquid 1% 10%, ortho-nitroanisole 0.1% 0.9%, benzene 0.1% 1%, phosphotungstic acid 0.1% 1%, molybdic acid 0.1% 1%.The electrolysis condenser temperature tolerance of the present invention is good, and the life-span is long, and under conditions of 105 DEG C, load life reaches 10,000 15000 hours.
Description
Technical field
The present invention relates to a kind of electrochemical capacitor, in particular a kind of 350V electrolysis condenser and production technology thereof.
Background technology
Volume (size) size of electrochemical capacitor is a key factor of restriction electrolysis condenser performance, how to increase the size of electrochemical capacitor, to improve the temperature tolerance of electrochemical capacitor and to increase the life-span of electrochemical capacitor, is the research direction of existing technical staff.Electrochemical capacitor of the prior art, under conditions of 105 DEG C (more than or), load life is generally 1000-2000 hour, these electric capacity is for aspect poor durability such as tunnel (highway) illumination, seabed irradiation, court illumination, advertisement irradiations, need often to change, but due to the complexity of using area, change relatively big, relatively costly.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
It is an object of the invention to provide a kind of 350V electrolysis condenser and production technology thereof, it is intended to solve the electrochemical capacitor of the prior art technical problem that load life is shorter under conditions of 105 DEG C (more than or).
Technical scheme is as follows: a kind of 350V electrolysis condenser, wherein, including shell, fuse, sealing-plug, negative wire and positive wire；Described shell is arranged to single-ended closed barrel-shaped, and described fuse is placed in enclosure, and sealing-plug is arranged on the open end of shell, negative wire and positive wire and is connected with fuse respectively, all stretches out from the opening of shell through sealing-plug；
Described fuse includes the Cathode Foil being connected with negative wire winding and winds, with positive wire, the anode foils being connected, and described fuse also includes winding parcel Cathode Foil and the insulation electrolytic paper of anode foils respectively, and described insulation electrolytic paper separates Cathode Foil and anode foils；It is added with electrolyte in described insulation electrolytic paper；
The rated value of the oxide-film proof voltage of described anode foils is 530V；
The voltage of described Cathode Foil is 1.5V-5V；
Described electrolysis condenser capacity is 6.8 μ F-47 μ F；
Described insulation electrolytic paper uses compound two-layer insulation electrolytic paper, and density is 70 g/m, and thickness is 70 μm；
Described negative wire and positive wire all use high temperature chemical conversion lead-in wire；
Described sealing-plug uses 100%IIR micelle material seal plug；
The a diameter of 13-18mm of described enclosure bottom, a height of 20-35mm；
The composition of described electrolyte includes: ethylene glycol 40%-70%, benzyl alcohol 10%-40%, gamma-hydroxybutyric acid lactone 10%-40%, branched chain polybasic carboxylic acid ammonium salt 1%-10%, the ethylene glycol solution 1%-10% of Azelaic Acid, ortho-nitroanisole
0.1%-0.9%, benzene 0.1%-1%, phosphotungstic acid 0.1%-1%, molybdic acid 0.1%-1%.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 6.8 μ F, a diameter of 13mm of described enclosure bottom, a height of 20mm.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 8.2 μ F, a diameter of 13mm of described enclosure bottom, a height of 21mm.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 10 μ F, a diameter of 13mm of described enclosure bottom, a height of 21mm.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 22 μ F, a diameter of 16mm of described enclosure bottom, a height of 25mm.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 33 μ F, a diameter of 16mm of described enclosure bottom, a height of 32mm.
Described 350V electrolysis condenser, wherein, described 350V electrolysis condenser capacity is 47 μ F, a diameter of 18mm of described enclosure bottom, a height of 35mm.
The production technology of described 350V electrolysis condenser, wherein, comprises the following steps:
A. Cathode Foil and anode foils are made: galvano-cautery Cathode Foil and anode foils, oxidation Cathode Foil and anode foils after galvano-cautery, at Cathode Foil and anode foils surface formation oxide-film；
B. cutting Cathode Foil, anode foils and insulation electrolytic paper, is connected lead-in wire with Cathode Foil and anode foils respectively, forms negative wire and positive wire, by insulation electrolytic paper and Cathode Foil, anode foils winding；
C. add electrolyte, electrolyte is impregnated in insulation electrolytic paper；
D. last assembling, crimping, charging, burn-in test and parameter detecting are carried out.
Beneficial effects of the present invention: the present invention carries out reasonable disposition by the characteristic of all parts to electrolysis condenser, and coordinate the electrolyte of the present invention, achieve the overall volume increasing 350V electrolysis condenser, reach at the practical application effect ensureing to improve on the premise of electrochemical capacitor normally works its temperature tolerance and its life-span of prolongation, the electrolysis condenser of the present invention normally works under conditions of 105 DEG C, load life reaches 10000-15000 hour, is far longer than the load life of the electrolysis condenser of prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of 350V electrolysis condenser in the present invention.
Fig. 2 is the structural representation of 350V electrolysis condenser fuse in the present invention.
Fig. 3 is the test tables of data trrellis diagram of 350V electrolysis condenser in the present invention.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.
The invention discloses a kind of 350V electrolysis condenser, as it is shown in figure 1, include shell 100, fuse 200, sealing-plug 300, negative wire 400 and positive wire 500；Wherein, shell 100 is arranged to single-ended closed barrel-shaped, i.e. shell 100 one end is closed, one end open；It is internal that fuse 200 is placed in shell 100, near the blind end of shell 100；Sealing-plug 300 is arranged on the open end of shell, for being hedged off from the outer world by fuse 200, protects fuse 200；Negative wire 400 and positive wire 500 are connected with fuse 200 respectively, all stretch out from the opening of shell 100 through sealing-plug 300, and when electrolysis condenser uses, negative wire 400 and positive wire 500 connect external circuitry respectively.
As shown in Figure 2, fuse 200 includes the Cathode Foil 210 being connected with negative wire 400 winding and winds, with positive wire 500, the anode foils 220 being connected, described fuse 200 also includes winding parcel Cathode Foil 210 and the insulation electrolytic paper 230 of anode foils 220 respectively, described insulation electrolytic paper 230 separates Cathode Foil 210 and anode foils 220, and insulation electrolytic paper 230 is added with electrolyte.
Electrolysis condenser is the precision components of a kind of small volume, the characteristic joint effect of each parts of composition electrolysis condenser the performance of electrolysis condenser final products, it has been investigated that, the most simple size (including increasing shell, Cathode Foil, anode foils and the size of insulation electrolytic paper) increasing each parts, to increase the volume (inner space) of electrolysis condenser, it is to be unable to reach the practical application effect ensureing to improve on the premise of electrochemical capacitor normally works its temperature tolerance and its life-span of prolongation, even cannot ensure the normal work of electrolysis condenser.
Each parts of composition electrolysis condenser constitute a stable entirety, (its size, voltage or material etc. are such as changed) when needing the characteristic changing one of them parts, the characteristic of miscellaneous part needs relative change, to ensure that electrolysis condenser normally works.Through inventor's experimental study repeatedly, take below scheme can reach good technique effect: arrange the magnitude of voltage of anode foils 220 be 530VF(be in fact the rated value of Waste Acid From Hua Cheng Foil oxide-film proof voltage be 530V), temperature during electrolysis condenser load can be effectively reduced, improve the temperature tolerance of electrolysis condenser；The voltage of Cathode Foil 210 be 1.5V-5V(be in fact the final voltage that Cathode Foil is applied in formation process be 1.5V-5V) and electrolysis condenser capacity between 6.8 μ F-47 μ F, so can effectively prevent electrolysis condenser load time be bypassed interference；Insulation electrolytic paper 230 uses compound two-layer insulation electrolytic paper, and its density is 70 g/m, and insulation electrolytic paper 230 thickness is 70 μm；Negative wire 400 and positive wire 500 all use high temperature chemical conversion lead-in wire, so can improve the temperature tolerance of electrolysis condenser, ensure that the electrolysis condenser performance when hot operation is (because when high temperature, the material of negative wire 400 and positive wire 500 is affected by high temperature to change, and easily affects the electric conductivity of electrolysis condenser pin)；Sealing-plug uses 100%IIR(butyl rubber) micelle material seal plug, so can increase the sealing of electrolysis condenser, it is ensured that fuse 200 is not by ectocine；Shell 100 basal diameter is 13-18mm, a height of 20-35mm, and the size suitably increasing shell can increase the inner space of electrolysis condenser, is conducive to the heat sinking function strengthening electrolysis condenser when load, thus improves the life-span of electrolysis condenser.
The invention also discloses the production technology of a kind of 350V electrolysis condenser, wherein, comprise the following steps:
A. making Cathode Foil and anode foils: galvano-cautery Cathode Foil and anode foils, makes Cathode Foil and anode foils surface irregularity, so can be greatly increased the contact area of Cathode Foil and anode foils and electrolyte, improves the electric conductivity of electrolysis condenser；Aoxidizing Cathode Foil and anode foils after galvano-cautery, form oxide-film in Cathode Foil and anode foils surface, mainly use aluminium foil as Cathode Foil and anode foils in actual application, alumina foil makes its surface form the aluminium sesquioxide medium as electrolysis condenser；
B. cutting Cathode Foil, anode foils and insulation electrolytic paper, is connected lead-in wire with Cathode Foil and anode foils respectively, forms negative wire and positive wire, by insulation electrolytic paper and Cathode Foil, anode foils winding；In actual application, lead-in wire can be divided into the lead being directly connected to Cathode Foil and anode foils and the outer lead being connected with lead by supersonic bonding method, and lead is placed in enclosure, and outer lead is placed in housing exterior；
C. add electrolyte, electrolyte is impregnated in insulation electrolytic paper；The insulation electrolytic paper having adsorbed electrolyte is fitted layer by layer with Cathode Foil and anode foils；
D. last assembling, crimping, charging, burn-in test and parameter detecting are carried out.
Affect the factor of electrolysis condenser performance in addition to the characteristic of each parts of composition electrolysis condenser, also have an important factor be exactly to make the electrolyte of electrolysis condenser, electrolyte must with composition electrolysis condenser each parts work in coordination use can be only achieved improve electrolysis condenser performance technique effect.
The composition of described electrolyte includes: ethylene glycol 40%-70%, benzyl alcohol 10%-40%, gamma-hydroxybutyric acid lactone 10%-40%, branched chain polybasic carboxylic acid ammonium salt 1%-10%, the ethylene glycol solution 1%-10% of Azelaic Acid, ortho-nitroanisole 0.1%-0.9%, benzene 0.1%-1%, phosphotungstic acid 0.1%-1%, molybdic acid 0.1%-1%.
As shown in Figure 3, it is the test data of 350V electrolysis condenser in the present invention, including 6.8 μ F, 8.2 μ F, 10 μ F, 22 μ F, 33 μ F and six kinds of capacity of 47 μ F, each capacity take 100 as test sample, Fig. 3 records peak, minimum and the meansigma methods of 100 samples of the measurement parameter (include capacity, be lost and leak electricity the most important parameter of these three electrolytic resistance) of 100 samples in every kind of capacity.In the measurement of electrochemical capacitor, sample needs to meet following condition and is only certified products:
1, capacity can not be beyond the 20% of (being higher or lower than) rated capacity；
2, the loss of the electrolysis condenser of 350V is less than 20 × 0.01；
3, electric leakage is less than LCmax, wherein LCmax=capacity × voltage × 0.01(μ A)；
Test instrunment used by this test is TH2617 type capacitance measuring tester and TH2686 type LC tester, the method of testing used is temperature-accelerated life test method, wherein test temperature is 125 DEG C, the 350V electrochemical capacitor of the present invention uses 2500h to remain to keep normally working under conditions of 125 DEG C, that is the electrolysis condenser of the present invention life-span under conditions of 125 DEG C be at least 2500h(i.e. under conditions of 115 DEG C the life-span be about 5000h, under conditions of 105 DEG C, the life-span is about 10000h).
The present invention makes electrolysis condenser by utilizing above-mentioned electrolyte with the unit construction of above-mentioned each particular characteristics parameter, the electrolysis condenser obtained is more higher than the temperature tolerance of electrolysis condenser of the prior art, life-span is longer, under conditions of 105 DEG C, the load life of the electrolysis condenser of the present invention is ten times of general electrolytic capacitor, and the electrolysis condenser that the present invention provides is particularly well-suited to tunnel (highway) illumination, seabed irradiation, court illumination or advertisement irradiation etc., and its durability and reliability are notable.
Technical scheme energy disclosed in this invention and only can be suitably used for 350V electrolysis condenser, if the present invention to be used for the electrolysis condenser (such as the electrolysis condenser of 100V voltage) of other voltages, can not reach the technique effect of electrolysis condenser life to 10000 hour, if it is desired to the electrolysis condenser of other voltages is extended to more than 10000 hours the service life under 105 DEG C of temperature environments, other technologies scheme have to be used, refer to other application schemes of the applicant in detail.
Embodiment 1
Take Cathode Foil and anode foils: galvano-cautery Cathode Foil and anode foils, oxidation Cathode Foil and anode foils after galvano-cautery, at Cathode Foil and anode foils surface formation oxide-film；Cutting Cathode Foil, anode foils and insulation electrolytic paper, be connected lead-in wire with Cathode Foil and anode foils respectively, form negative wire and positive wire, by insulation electrolytic paper and Cathode Foil, anode foils winding；Add electrolyte, electrolyte is impregnated in insulation electrolytic paper；Carry out last assembling, crimping, charging, burn-in test and parameter detecting.
In the present embodiment, the composition of described electrolyte includes: ethylene glycol 40%, benzyl alcohol 40%, gamma-hydroxybutyric acid lactone 10%, branched chain polybasic carboxylic acid ammonium salt 1%, the ethylene glycol solution 8.1% of Azelaic Acid, ortho-nitroanisole 0.6%, benzene 0.1%, phosphotungstic acid 0.1%, molybdic acid 0.1%.
In the present embodiment, the magnitude of voltage arranging anode foils is 530VF；The voltage of Cathode Foil is 1.5V；Insulation electrolytic paper uses compound two-layer insulation electrolytic paper, and density is 70 g/m, and thickness is 70 μm；Negative wire and positive wire all use high temperature chemical conversion lead-in wire；Sealing-plug uses 100%IIR micelle material seal plug；Electrolysis condenser voltage is 350V, and capacity is 6.8 μ F, a diameter of 13mm of enclosure bottom, a height of 20mm.
The temperature tolerance that the present embodiment makes the electrolysis condenser obtained is good, and the life-span is long, and under conditions of 105 DEG C, load life can reach 10000-15000 hour, is particularly well-suited to tunnel (highway) illumination, seabed irradiation, court illumination or advertisement irradiation etc..
Embodiment 2
The present embodiment is the most same as in Example 1, and except for the difference that, in the present embodiment, the composition of described electrolyte includes: ethylene glycol
68.8%, benzyl alcohol 10%, gamma-hydroxybutyric acid lactone 10%, branched chain polybasic carboxylic acid ammonium salt 8.9%, the ethylene glycol solution 1% of Azelaic Acid, ortho-nitroanisole 0.1%, benzene 1%, phosphotungstic acid 0.1%, molybdic acid 0.1%.
In the present embodiment, the voltage of Cathode Foil is 5V, and electrolysis condenser capacity is 8.2 μ F, a diameter of 13mm of enclosure bottom, a height of 21mm.
Embodiment 3
The present embodiment is the most same as in Example 1, and except for the difference that, in the present embodiment, the composition of described electrolyte includes: ethylene glycol
49.6%, benzyl alcohol 20%, gamma-hydroxybutyric acid lactone 20%, branched chain polybasic carboxylic acid ammonium salt 7.9%, the ethylene glycol solution 1% of Azelaic Acid, ortho-nitroanisole 0.1%, benzene 0.5%, phosphotungstic acid 0.5%, molybdic acid 0.4%.
In the present embodiment, the voltage of Cathode Foil is 3V, and electrolysis condenser capacity is 10 μ F, a diameter of 13mm of enclosure bottom, a height of 21mm.
Embodiment 4
The present embodiment is the most same as in Example 1, and except for the difference that, in the present embodiment, the composition of described electrolyte includes: ethylene glycol
49.5%, benzyl alcohol 10%, gamma-hydroxybutyric acid lactone 20%, branched chain polybasic carboxylic acid ammonium salt 9.4%, the ethylene glycol solution 10% of Azelaic Acid, ortho-nitroanisole 0.5%, benzene 0.3%, phosphotungstic acid 0.1%, molybdic acid 0.2%.
In the present embodiment, the voltage of Cathode Foil is 5V, and electrolysis condenser capacity is 22 μ F, a diameter of 16mm of enclosure bottom, a height of 25mm.
Embodiment 5
The present embodiment is the most same as in Example 1, and except for the difference that, in the present embodiment, the composition of described electrolyte includes: ethylene glycol
49.9%, benzyl alcohol 10%, gamma-hydroxybutyric acid lactone 30%, branched chain polybasic carboxylic acid ammonium salt 1%, the ethylene glycol solution 7.5% of Azelaic Acid, ortho-nitroanisole 0.1%, benzene 0.8%, phosphotungstic acid 0.6%, molybdic acid 0.1%.
In the present embodiment, the voltage of Cathode Foil is 5V, and electrolysis condenser capacity is 33 μ F, a diameter of 16mm of enclosure bottom, a height of 32mm.
Embodiment 6
The present embodiment is the most same as in Example 1, and except for the difference that, in the present embodiment, the composition of described electrolyte includes: ethylene glycol
48.5%, benzyl alcohol 10%, gamma-hydroxybutyric acid lactone 20%, branched chain polybasic carboxylic acid ammonium salt 10%, the ethylene glycol solution 10% of Azelaic Acid, ortho-nitroanisole 0.5%, benzene 0.7%, phosphotungstic acid 0.2%, molybdic acid 0.1%.
In the present embodiment, the voltage of Cathode Foil is 5V, and electrolysis condenser capacity is 47 μ F, a diameter of 18mm of enclosure bottom, a height of 35mm.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (8)
1. a 350V electrolysis condenser, it is characterised in that include shell, fuse, sealing-plug, negative wire and positive wire；Described shell is arranged to single-ended closed barrel-shaped, and described fuse is placed in enclosure, and sealing-plug is arranged on the open end of shell, negative wire and positive wire and is connected with fuse respectively, all stretches out from the opening of shell through sealing-plug；
Described fuse includes the Cathode Foil being connected with negative wire winding and winds, with positive wire, the anode foils being connected, and described fuse also includes winding parcel Cathode Foil and the insulation electrolytic paper of anode foils respectively, and described insulation electrolytic paper separates Cathode Foil and anode foils；It is added with electrolyte in described insulation electrolytic paper；
The rated value of the oxide-film proof voltage of described anode foils is 530V；
The voltage of described Cathode Foil is 1.5V-5V；
Described electrolysis condenser capacity is 6.8 μ F-47 μ F；
Described insulation electrolytic paper uses compound two-layer insulation electrolytic paper, and density is 70 g/m, and thickness is 70 μm；
Described negative wire and positive wire all use high temperature chemical conversion lead-in wire；
Described sealing-plug uses 100%IIR micelle material seal plug；
The a diameter of 13-18mm of described enclosure bottom, a height of 20-35mm；
The composition of described electrolyte includes: ethylene glycol 40%-70%, benzyl alcohol 10%-40%, gamma-hydroxybutyric acid lactone 10%-40%, branched chain polybasic carboxylic acid ammonium salt 1%-10%, the ethylene glycol solution 1%-10% of Azelaic Acid, ortho-nitroanisole 0.1%-0.9%, benzene 0.1%-1%, phosphotungstic acid 0.1%-1%, molybdic acid 0.1%-1%.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 6.8 μ F, a diameter of 13mm of described enclosure bottom, a height of 20mm.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 8.2 μ F, a diameter of 13mm of described enclosure bottom, a height of 21mm.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 10 μ F, a diameter of 13mm of described enclosure bottom, a height of 21mm.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 22 μ F, a diameter of 16mm of described enclosure bottom, a height of 25mm.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 33 μ F, a diameter of 16mm of described enclosure bottom, a height of 32mm.
350V electrolysis condenser the most according to claim 1, it is characterised in that described 350V electrolysis condenser capacity is 47 μ F, a diameter of 18mm of described enclosure bottom, a height of 35mm.
8. the production technology of the 350V electrolysis condenser as described in claim 1-7 any one, it is characterised in that comprise the following steps:
A. Cathode Foil and anode foils are made: galvano-cautery Cathode Foil and anode foils, oxidation Cathode Foil and anode foils after galvano-cautery, at Cathode Foil and anode foils surface formation oxide-film；
B. cutting Cathode Foil, anode foils and insulation electrolytic paper, is connected lead-in wire with Cathode Foil and anode foils respectively, forms negative wire and positive wire, by insulation electrolytic paper and Cathode Foil, anode foils winding；
C. add electrolyte, electrolyte is impregnated in insulation electrolytic paper；
D. last assembling, crimping, charging, burn-in test and parameter detecting are carried out.
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| JP4862602B2 (en) * | 2006-10-13 | 2012-01-25 | パナソニック株式会社 | Aluminum electrolytic capacitor |
| JP5274268B2 (en) * | 2009-01-08 | 2013-08-28 | 三洋電機株式会社 | Solid electrolytic capacitor and manufacturing method thereof |
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| CN102226978A (en) * | 2011-03-31 | 2011-10-26 | 肇庆绿宝石电子有限公司 | Anti-lightning guide pin type safe aluminum electrolytic capacitor and production method thereof |
| CN203070933U (en) * | 2012-12-25 | 2013-07-17 | 上海赛特康新能源科技有限公司 | Novel nanometer aluminum electrolytic capacitor |
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